Home / 21,486.07-29,644.13-12,527.23

Finding the Fourth Proportional to 21,486.07, 29,644.13 and 12,527.23

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Solution

The fourth proportional to 21,486.07, 29,644.13 and 12,527.23 is: 17,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.07 : 29,644.13 = 12,527.23 : x
  2. Step 2: Convert to fraction form
    21,486.07/29,644.13 = 12,527.23/x
  3. Step 3: Cross multiply
    21,486.07x = 29,644.13 × 12,527.23
  4. Step 4: Simplify right side
    21,486.07x = 371,358,834.66
  5. Step 5: Solve for x
    x = 371,358,834.66/21,486.07
  6. Step 6: Final answer
    x = 17,283.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.